$ find -name '*.c' -and -not -name moduleobject.c | xargs grep -l PyModule_Create\( | sort
./Doc/includes/custom2.c
./Doc/includes/custom3.c
./Doc/includes/custom4.c
./Doc/includes/custom.c
./Doc/includes/sublist.c
./Modules/_asynciomodule.c
./Modules/cjkcodecs/multibytecodec.c
./Modules/_csv.c
./Modules/_ctypes/_ctypes.c
./Modules/_cursesmodule.c
./Modules/_datetimemodule.c
./Modules/_decimal/_decimal.c
./Modules/_elementtree.c
./Modules/_io/_iomodule.c
./Modules/_multiprocessing/posixshmem.c
./Modules/ossaudiodev.c
./Modules/_pickle.c
./Modules/_posixsubprocess.c
./Modules/pyexpat.c
./Modules/readline.c
./Modules/selectmodule.c
./Modules/socketmodule.c
./Modules/_sqlite/module.c  [*]
./Modules/_sre.c  [*]
./Modules/_ssl.c  [*]
./Modules/_testbuffer.c
./Modules/_testcapimodule.c
./Modules/_testimportmultiple.c
./Modules/_testinternalcapi.c
./Modules/_threadmodule.c
./Modules/_tkinter.c
./Modules/_tracemalloc.c
./Modules/_xxsubinterpretersmodule.c
./Modules/_xxtestfuzz/_xxtestfuzz.c
./PC/_msi.c
./PC/msvcrtmodule.c
./PC/winreg.c
./PC/winsound.c
./Tools/peg_generator/peg_extension/peg_extension.c